Tesis.event.onDOMReady(function() {
    var layout = new YAHOO.widget.Layout({
        units: [
        {
            position: 'top', 
            body: 'layout-top', 
            height: 100
        },
        {
            position: 'center', 
            body: 'layout-center',
            gutter: '0px 0px 0px 0px',
            scroll: true
        }
        ,
        {
            position: 'left',
            body: 'layout-left',
            width: 200,
            resize: false,
            /*gutter: '4px',
            collapse: true,
            
            animate: true,*/
            scroll: true,
            header: 'Controles'
        },
        /*{
            position: 'bottom',
            body: 'layout-bottom',
            height: 150,
            resize: false,
            --gutter: '4px',
            collapse: true,
            scroll: true
            animate: true,
            header: 'Detalle'
        }*/
        ]
    });
    layout.render();
});